., san francisco to seattle, expect to see more lie flatbeds, completely lie flat in business class. if you can get them, take them. it's like flying across the ocean while flat. >> body scanners you see in some lines. >> hate those. >> put up the sign like that. are we going to see more of those? they do move you through quicker. >> they do move you through quicker. they're here to stay for the most part. what will be mitigated somewhat are some of the health concerns that are coming out initially, congress has commissioned a study to show that the emission of radiation is safe. you don't have to worry about it affecting your health as well as your dignity. >> lisa gill, thank you so much. >> traveling alone, too, all that space. >> go sit with her. >> lisa, thank you so much. >>> a look back at "today" in 2012. >> first this is "today" on nbc. i got to say it! >> you got one.t!w=!n >>> as we say good-bye to 2012, we want to take a look back at the fun we had on "today". >> happy new year, everyone. >> look out the window and you can see the people who are looking in at us. ♪ baby